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12694297 = 711414021
BaseRepresentation
bin110000011011…
…001100011001
3212212221022011
4300123030121
511222204142
61132025521
7212620420
oct60331431
925787264
1012694297
117190460
1243022a1
132826025
1419862b7
1511ab417
hexc1b319

12694297 has 16 divisors (see below), whose sum is σ = 16216704. Its totient is φ = 9648000.

The previous prime is 12694271. The next prime is 12694327. The reversal of 12694297 is 79249621.

It is a cyclic number.

It is not a de Polignac number, because 12694297 - 27 = 12694169 is a prime.

It is a super-2 number, since 2×126942972 = 322290352648418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12694207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1147 + ... + 5167.

It is an arithmetic number, because the mean of its divisors is an integer number (1013544).

Almost surely, 212694297 is an apocalyptic number.

It is an amenable number.

12694297 is a deficient number, since it is larger than the sum of its proper divisors (3522407).

12694297 is a wasteful number, since it uses less digits than its factorization.

12694297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4080.

The product of its digits is 54432, while the sum is 40.

The square root of 12694297 is about 3562.9056961980. The cubic root of 12694297 is about 233.2757270489.

The spelling of 12694297 in words is "twelve million, six hundred ninety-four thousand, two hundred ninety-seven".

Divisors: 1 7 11 41 77 287 451 3157 4021 28147 44231 164861 309617 1154027 1813471 12694297